663780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:85

約数の個数: 96

約数和(自身を含む): 2145024

約数和(自身を除く): 1481244

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 26, 30, 37, 39, 46, 52, 60, 65, 69, 74, 78, 92, 111, 115, 130, 138, 148, 156, 185, 195, 222, 230, 260, 276, 299, 345, 370, 390, 444, 460, 481, 555, 598, 690, 740, 780, 851, 897, 962, 1110, 1196, 1380, 1443, 1495, 1702, 1794, 1924, 2220, 2405, 2553, 2886, 2990, 3404, 3588, 4255, 4485, 4810, 5106, 5772, 5980, 7215, 8510, 8970, 9620, 10212, 11063, 12765, 14430, 17020, 17940, 22126, 25530, 28860, 33189, 44252, 51060, 55315, 66378, 110630, 132756, 165945, 221260, 331890, 663780]

約数ペア:

[(1, 663780), (2, 331890), (3, 221260), (4, 165945), (5, 132756), (6, 110630), (10, 66378), (12, 55315), (13, 51060), (15, 44252), (20, 33189), (23, 28860), (26, 25530), (30, 22126), (37, 17940), (39, 17020), (46, 14430), (52, 12765), (60, 11063), (65, 10212), (69, 9620), (74, 8970), (78, 8510), (92, 7215), (111, 5980), (115, 5772), (130, 5106), (138, 4810), (148, 4485), (156, 4255), (185, 3588), (195, 3404), (222, 2990), (230, 2886), (260, 2553), (276, 2405), (299, 2220), (345, 1924), (370, 1794), (390, 1702), (444, 1495), (460, 1443), (481, 1380), (555, 1196), (598, 1110), (690, 962), (740, 897), (780, 851)]